Soars, L., & Soars, J. (2009). American Headway 1: Student book (2nd ed.). New York: Oxford University Press.
Citación estilo ChicagoSoars, Liz, y John Soars. American Headway 1: Student Book. 2nd ed. New York: Oxford University Press, 2009.
Cita MLASoars, Liz, y John Soars. American Headway 1: Student Book. 2nd ed. New York: Oxford University Press, 2009.
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